Hydro-Quip 26-0011-7S-K Spa Heater Assembly – 5.5kW, 230V, 15 Inch Flo-Thru

Upgrade or replace your spa’s heater with the Hydro-Quip 26-0011-7S-K, a premium OEM FloThru assembly designed for easy drop-in installation with Balboa VS, GS, and early BP spa packs. This heater features dual factory-installed M7 sensors for precise temperature control and reliable operation.

• 🔌 Voltage: 230V (240V compatible)
• ⚡ Wattage: 5.5kW
• 📏 Tube Length: 15 inches (center-to-center)
• 🔩 Tube Diameter: 2 inch stainless steel
• 💧 Ports: 2 inch slip, straight-through design
• 🛡️ Sensors: Includes dual M7 sensors (factory mounted, for M7 systems)
• 🔄 Threading: Standard Balboa sensor wells (non-threaded M7)

Direct Replacement & Compatibility:

• Direct drop-in for Balboa 58118, 58083, 26-0011-7S, 26-0011-7S-K
• Hydro-Quip HQ 26-0011-7S, Hydro-Quip 26-0011-7S-K
• Also replaces: F2550-0011-100, B24055XL, C2550-0011, CALHEA14100401, HEA14100120, HEA14100121, HEA14100300, HEA14100310, HEA14100401, HEA14100401-09A, HEA14100470

Common Spa Brands Supported:

• Master Spas (mid-2000s to early BP)
• Cal Spas (Balboa-equipped)
• Artesian (non-proprietary years)
• Marquis (select models)
• Many generic Balboa retrofits

Why Choose the “-7S-K” Model?

• 7S = Dual M7 sensors included for compatibility with M7 spa packs
• K = Complete retail kit with gaskets and hardware

Installation Notes:

• No cutting or rewiring required – true plug-and-play replacement for Balboa and Hydro-Quip M7 systems
• Do not use in systems requiring threaded sensors
• Always confirm compatibility with your spa pack and consult your owner’s manual

Enjoy reliable, efficient heating and restore your spa’s performance with this trusted OEM heater assembly. Need help with selection or installation? Contact our team for expert support! 🛠️✨